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Comparative evaluation of lead emissions and toxicity potential in the life cycle of lead halide perovskite photovoltaics

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2019Publisher:Elsevier BVJournal:Energy, volume 166, pages 1,089-1,096 (issn: 0360-5442,

Authors: Aaron T. Fafarman; Vasilis Fthenakis; Liliana Lobaton; Enrica Leccisi; Jason B. Baxter; Pieter Billen; Pieter Billen; +3 Authors

doi: 10.1016/j.energy.2018.10.141

Comparative evaluation of lead emissions and toxicity potential in the life cycle of lead halide perovskite photovoltaics

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Abstract

Abstract Lead halide perovskites (LHP) are an emerging class of photovoltaic (PV) materials that have drawn intense interest due to their power conversion efficiencies above 23% and their potential for low-cost fabrication. However, the toxicity of lead causes concern about its use in LHP-PV at large scales. Here, we quantified lead intensity and toxicity potential of LHP-PV in potential commercial production. Lead intensity in LHP-PV life cycles can be 4 times lower and potential toxic emissions can be 20 times lower than those in representative U.S. electricity mixes, assuming that PV operational lifetimes reach 20 years. We introduce the metric “toxicity potential payback time”, accounting for toxic emissions in the life cycle of energy cycles, and showed that it is

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